Question: Who is the spouse of Ivan Pyryev on 1936-0-0?
Paraphrase: Who was Ivan Pyryev married to in 1936?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q552450 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1936')) }